“A cubicle-free workplace without private offices is supposed to force employees to collaborate. To have them talk more face-to-face. To get them off instant messenger and spontaneously brainstroming about new ideas.” It’s not happening. A recent study found that after a move “to open-plan offices, workers spent 73 percent less time in face-to-face interactions. Meanwhile, email rose 67 percent and IM use went up 75 percent.”